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Troubleshooting • Re: Issues with serial communication between 2 Raspberry Pis

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Im following the offical raspberry pi configuarion guide to set up the UART:

https://www.raspberrypi.com/documentati ... gure-uarts

i have the following in my config.txt file:

Code:

enable_uart=1dtoverlay=disable-btdtparam=krnbt=off
i have noticed some guides for the Pi 5 saying the the line

Code:

dtparam=uart0=on 
should be on, i have tried it and it made no difference, just for reference this is what is being returned from the bookworm pi
bytearray(b'buffer(z) \r\n[ 311.855186] sysrq: HELP : loglevel(0-9) reboot(b) crash(c) terminate-all-tasks(e) memory-full-oom-kill(f) kill-all-tasks(i) thaw-filesystems(j) sak(k) show-backtrace-all-active-cpus(l) show-memory-usage(m) nice-all-RT-tasks(n) poweroff(o) show-registers(p) show-all-timers(q) unraw(r) sync(s) show-task-states(t) unmount(u) force-fb(v) show-blocked-tasks(w) dump-ftrace-buffer(z) \r\n\r\r\nDebian GNU/Linux 12 raspberrypi ttyAMA0\r\n\r\nraspberrypi login: [ 312.358983] sysrq: HELP : loglevel(0-9) reboot(b) crash(c) terminate-all-tasks(e) memory-full-oom-kill(f) kill-all-tasks(i) thaw-filesystems(j) sak(k) show-backtrace-all-active-cpus(l) show-memory-usage(m) nice-all-RT-tasks(n) poweroff(o) show-registers(p) show-all-timers(q) unraw(r) sync(s) show-task-states(t) unmount(u) force-fb(v) show-blocked-tasks(w) dump-ftrace-buffer(z) \r\n[ 312.459342] sysrq: HELP : loglevel(0-9) reboot(b) crash(c) terminate-all-tasks(e) memory-full-oom-kill(f) kill-all-tasks(i) thaw-filesystems(j) sak(k) show-backtrace-all-active-cpus(l) show-memory-usage(m) nice-all-RT-tasks(n) poweroff(o) show-registers(p) show-all-timers(q) unraw(r) sync(s) show-task-states(t) unmount(u) force-fb(v) show-blocked-tasks(w) dump-ftrace-b')
if anyone knows if I'm missing something, please tell me

Statistics: Posted by TJwarnock — Mon Jun 24, 2024 3:04 am



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